You can back up your NightELF data to prevent your device from being damaged or lost.
You can go to homepage first, then click Extension
Backup NightELF, enter your password and click Backup NightELF.
The browser will download the file named
Do not modify the file to prevent the data cannot be recovered. Please properly store the file. It is also recommended that you backup your NightELF once in a while.
The file is encrypted. You cannot directly get your keypair information when you open the file, but you still need to keep it properly.